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GPU Comparison
AMD Radeon HD 6970M Mac Edition vs ATI Mobility Radeon HD 3450
AMD Radeon HD 6970M Mac Edition vs ATI Mobility Radeon HD 3450
VS
AMD Radeon HD 6970M Mac Edition
ATI Mobility Radeon HD 3450
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970M Mac Edition 's Advantages
Released 3 years and 7 months late
Larger VRAM bandwidth (115.2GB/s vs 6.400GB/s)
920 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6970M Mac Edition
+3165%
1.306 TFLOPS
Mobility Radeon HD 3450
0.04 TFLOPS
Radeon HD 6970M Mac Edition
VS
Mobility Radeon HD 3450
Graphics Card
Aug 2011
Release Date
Jan 2008
Vancouver
Generation
M8x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-II
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
12
Compute Units
2
960
Shading Units
40
48
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
21.76 GPixel/s
Pixel Rate
2.000 GPixel/s
32.64 GTexel/s
Texture Rate
2.000 GTexel/s
-
FP16 (half)
-
1306 GFLOPS
FP32 (float)
40.00 GFLOPS
-
FP64 (double)
-
Graphics Processor
Blackcomb
GPU Name
M82
Blackcomb XT (216-0811000)
GPU Variant
M82-SCE XT (216-0707011)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.7 billion
Transistors
0.181 billion
212 mm²
Die Size
67 mm²
Board Design
75W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
10.1
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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4
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